Form Manager Unit Tests

[csims]

Much of the Form Manager code is UI code, which isn't really testable yet. However, we can test many of the activities by using mock views. Specifically, FormEntryActivity (and the factory that it uses to create form entry views) and FormTransportActivity (Although we may not be able to test that one due to lack of mocked data transmission code.

FormEntry MVC can be tested without UI mockups as far as I can tell. As can the SortedInSet class.